LINKSOLAR 19-Inch Length 8-Pattern Watering Wand Spray Nozzle (20028) Metal and ABS Construction Front Trigger,ergonomic insulated grip handle,locking ring,control knob feels much more natural in the hand and is easier to use. The wand has a control knob that allows you to adjust the volume of water that flows Dual soft grip overmold,soft to hold. It has 8 patterns for different kinds of spraying